.eslintrc.js

@@ -0,0 +1,239 @@
+'use strict';
+
+module.exports = {
+  extends: [
+    'eslint:recommended'
+  ],
+  ignorePatterns: [
+    'tools',
+    'dist',
+    'website.js',
+    'test/files/*',
+    'benchmarks',
+    '*.min.js',
+    '**/docs/js/native.js',
+    '!.*',
+    'node_modules',
+    '.git'
+  ],
+  overrides: [
+    {
+      files: [
+        '**/*.{ts,tsx}',
+        '**/*.md/*.ts',
+        '**/*.md/*.typescript'
+      ],
+      parserOptions: {
+        project: './tsconfig.json'
+      },
+      extends: [
+        'plugin:@typescript-eslint/eslint-recommended',
+        'plugin:@typescript-eslint/recommended'
+      ],
+      plugins: [
+        '@typescript-eslint'
+      ],
+      rules: {
+        '@typescript-eslint/triple-slash-reference': 'off',
+        '@typescript-eslint/no-non-null-assertion': 'off',
+        '@typescript-eslint/no-empty-function': 'off',
+        'spaced-comment': [
+          'error',
+          'always',
+          {
+            block: {
+              markers: [
+                '!'
+              ],
+              balanced: true
+            },
+            markers: [
+              '/'
+            ]
+          }
+        ],
+        '@typescript-eslint/no-explicit-any': 'off',
+        '@typescript-eslint/ban-types': 'off',
+        '@typescript-eslint/no-unused-vars': 'off',
+        '@typescript-eslint/explicit-module-boundary-types': 'off',
+        '@typescript-eslint/indent': [
+          'warn',
+          2,
+          {
+            SwitchCase: 1,
+            ignoredNodes: ['TSTypeParameterInstantiation']
+          }
+        ],
+        '@typescript-eslint/prefer-optional-chain': 'error',
+        '@typescript-eslint/brace-style': 'error',
+        '@typescript-eslint/no-dupe-class-members': 'error',
+        '@typescript-eslint/no-redeclare': 'error',
+        '@typescript-eslint/type-annotation-spacing': 'error',
+        '@typescript-eslint/object-curly-spacing': [
+          'error',
+          'always'
+        ],
+        '@typescript-eslint/semi': 'error',
+        '@typescript-eslint/space-before-function-paren': [
+          'error',
+          'never'
+        ],
+        '@typescript-eslint/space-infix-ops': 'off'
+      }
+    },
+    {
+      files: [
+        '**/docs/js/**/*.js'
+      ],
+      env: {
+        node: false,
+        browser: true
+      }
+    }
+    // // eslint-plugin-markdown has been disabled because of out-standing issues, see https://github.com/eslint/eslint-plugin-markdown/issues/214
+    // {
+    //   files: ['**/*.md'],
+    //   processor: 'markdown/markdown'
+    // },
+    // {
+    //   files: ['**/*.md/*.js', '**/*.md/*.javascript', '**/*.md/*.ts', '**/*.md/*.typescript'],
+    //   parserOptions: {
+    //     ecmaFeatures: {
+    //       impliedStrict: true
+    //     },
+    //     sourceType: 'module', // required to allow "import" statements
+    //     ecmaVersion: 'latest' // required to allow top-level await
+    //   },
+    //   rules: {
+    //     'no-undef': 'off',
+    //     'no-unused-expressions': 'off',
+    //     'no-unused-vars': 'off',
+    //     'no-redeclare': 'off',
+    //     '@typescript-eslint/no-redeclare': 'off'
+    //   }
+    // }
+  ],
+  plugins: [
+    'mocha-no-only'
+    // 'markdown'
+  ],
+  parserOptions: {
+    ecmaVersion: 2020
+  },
+  env: {
+    node: true,
+    es6: true,
+    es2020: true
+  },
+  rules: {
+    'comma-style': 'error',
+    indent: [
+      'error',
+      2,
+      {
+        SwitchCase: 1,
+        VariableDeclarator: 2
+      }
+    ],
+    'keyword-spacing': 'error',
+    'no-whitespace-before-property': 'error',
+    'no-buffer-constructor': 'warn',
+    'no-console': 'off',
+    'no-constant-condition': 'off',
+    'no-multi-spaces': 'error',
+    'func-call-spacing': 'error',
+    'no-trailing-spaces': 'error',
+    'no-undef': 'error',
+    'no-unneeded-ternary': 'error',
+    'no-const-assign': 'error',
+    'no-useless-rename': 'error',
+    'no-dupe-keys': 'error',
+    'space-in-parens': [
+      'error',
+      'never'
+    ],
+    'spaced-comment': [
+      'error',
+      'always',
+      {
+        block: {
+          markers: [
+            '!'
+          ],
+          balanced: true
+        }
+      }
+    ],
+    'key-spacing': [
+      'error',
+      {
+        beforeColon: false,
+        afterColon: true
+      }
+    ],
+    'comma-spacing': [
+      'error',
+      {
+        before: false,
+        after: true
+      }
+    ],
+    'array-bracket-spacing': 1,
+    'arrow-spacing': [
+      'error',
+      {
+        before: true,
+        after: true
+      }
+    ],
+    'object-curly-spacing': [
+      'error',
+      'always'
+    ],
+    'comma-dangle': [
+      'error',
+      'never'
+    ],
+    'no-unreachable': 'error',
+    quotes: [
+      'error',
+      'single'
+    ],
+    'quote-props': [
+      'error',
+      'as-needed'
+    ],
+    semi: 'error',
+    'no-extra-semi': 'error',
+    'semi-spacing': 'error',
+    'no-spaced-func': 'error',
+    'no-throw-literal': 'error',
+    'space-before-blocks': 'error',
+    'space-before-function-paren': [
+      'error',
+      'never'
+    ],
+    'space-infix-ops': 'error',
+    'space-unary-ops': 'error',
+    'no-var': 'warn',
+    'prefer-const': 'warn',
+    strict: [
+      'error',
+      'global'
+    ],
+    'no-restricted-globals': [
+      'error',
+      {
+        name: 'context',
+        message: 'Don\'t use Mocha\'s global context'
+      }
+    ],
+    'no-prototype-builtins': 'off',
+    'mocha-no-only/mocha-no-only': [
+      'error'
+    ],
+    'no-empty': 'off',
+    'eol-last': 'warn',
+    'no-multiple-empty-lines': ['warn', { max: 2 }]
+  }
+};